81037703414 has 16 divisors (see below), whose sum is σ = 125923118400. Its totient is φ = 39067218624.

The previous prime is 81037703347. The next prime is 81037703489. The reversal of 81037703414 is 41430773018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929927 + ... + 1013330.

It is an arithmetic number, because the mean of its divisors is an integer number (7870194900).

Almost surely, 2^81037703414 is an apocalyptic number.

81037703414 is a deficient number, since it is larger than the sum of its proper divisors (44885414986).

81037703414 is a wasteful number, since it uses less digits than its factorization.

81037703414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944007.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 81037703414 in words is "eighty-one billion, thirty-seven million, seven hundred three thousand, four hundred fourteen".